# N56SM: 1942 Piper J3C-65 - Status: Valid registration - Airframe: [Piper J3C-65](https://openairdocs.org/model/piper-j3c-65) (registry code 7100510, 2 seats) - Engine: [Continental C85-12F](https://openairdocs.org/engine/continental-c85-12f) (registry code 17125) - Data sheets: [TCDS E-233](https://openairdocs.org/tcds/E-233) (Continental Aerospace Technologies, Inc.) (OpenAirDocs) - Serial number: 8624 - Year built: 1942 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard, normal - Airworthiness date: April 15, 2026 - Certificate issued: July 11, 2023 - Expires: July 31, 2030 - Mode S code: A7262D - Registered owner: [Swick Stephen M](https://openairdocs.org/faa-owner/SWICK%20STEPHEN%20M) - Location: [Angola, IN](https://openairdocs.org/faa-place/IN/Angola) - Owner type: Individual - Owner's area on the map: 41.6549° N, 85.0115° W: Placed by OpenAirDocs at the center of ZIP code 46703, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=56SM - Page: https://openairdocs.org/aircraft/N56SM From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 12 in force ### Matched by airframe (Piper J3C-65) None in force. ### Matched by engine (Continental C85-12F) - [AD 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998 - [AD 98-01-06](https://openairdocs.org/ad/98-01-06): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Feb 13, 1998 - [AD 94-05-05 R1](https://openairdocs.org/ad/94-05-05-R1): Cylinder Rocker · Continental Motors C-125-1, C-125-2, C145-2 and 59 more. Effective Feb 13, 1996 - [AD 95-21-15](https://openairdocs.org/ad/95-21-15): Aviation Gasoline · Continental Motors A-65-8, C85-12F, C85-12FJ and 77 more. Effective Nov 28, 1995 - [AD 93-22-05](https://openairdocs.org/ad/93-22-05): Carburetor Air Intake Housing Assemblies · Continental Motors C90-12F, C90-12FH, C90-12FJ and 22 more. Effective Dec 14, 1993 - [AD 93-19-04](https://openairdocs.org/ad/93-19-04): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Oct 18, 1993 - [AD 81-16-05](https://openairdocs.org/ad/81-16-05): Magnetos · Lycoming Engines AEIO-320-E1B, AEIO-320-E2B, AEIO-360-B1G6 and 234 more. Effective Aug 6, 1981 - [AD 81-07-06](https://openairdocs.org/ad/81-07-06): AC Fuel Pumps · Continental Motors A-65-1, A-65-12, A-65-12F and 60 more. Effective Apr 1, 1981 - [AD 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969 - [AD 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more - [AD 49-50-01](https://openairdocs.org/ad/49-50-01): Generator Drive Coupling Rubber Disc · Continental Motors C-125-1, C-125-2, C145-2 and 27 more - [AD 47-40-02](https://openairdocs.org/ad/47-40-02): Piston Pins · Continental Motors C-125-1, C-125-2, C75-12F and 4 more ## Information bulletins (advisory) (4 in force) - [SAIB NE-18-27](https://openairdocs.org/saib/NE-18-27): POWERPLANT Rocker Shaft Boss Inspection. Issued Sep 10, 2018 - [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016 - [SAIB NE-13-04](https://openairdocs.org/saib/NE-13-04): Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection. Issued Oct 31, 2012 - [SAIB CE-98-21R1](https://openairdocs.org/saib/CE-98-21R1): . Issued Jun 10, 1998 ## NTSB investigations None matched to N56SM. ## NTSB investigations on N56SM not matched to an aircraft (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB DEN03LA062](https://openairdocs.org/ntsb/DEN03LA062), Apr 2, 2003: Hughes 369D (N56SM), Estes Park, CO, substantial damage. Probable cause: the failure of the pilot-in-command to maintain clearance from terrain. Factors include the high density altitude and the pilot-in-command's improper in-flight planning. ## FAA accident and incident reports None matched to N56SM. ## Reports on N56SM not matched to an aircraft (1) They name N56SM, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Accident 20030402007219A](https://openairdocs.org/incident/20030402007219A), Apr 2, 2003: Hughes 369D (N56SM), Estes Park, CO, Destroyed. (-23) Mr. Roger was pilot of N56SM (HU-369-D helicopter) during a wildlife capture program for the national forest service. While repositioning the helicopter… ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (41) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the engine (Continental C85-12F) - [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC - [STC SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC - [STC SE208SO](https://openairdocs.org/stc/SE208SO): Installation of ice indicator in the carburetor. LegacySTC.com. Lists C85 Series - [STC SE00145WI](https://openairdocs.org/stc/SE00145WI): Installation of B&C Specialty Products Model BC 320-( ) Engine Starter. B & C Specialty Products Inc - [STC SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller Inc - [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp - [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc - [STC SE00533SE](https://openairdocs.org/stc/SE00533SE): Installation of Real Gasket Corporation Continental Engine Pushrod Tube Modification. Real Gaskets Tennessee - [STC SE7559SW](https://openairdocs.org/stc/SE7559SW): Install adapter to permit use of a spin-on oil filter. Stratus Tool Technologies LLC - [STC SE10129SC](https://openairdocs.org/stc/SE10129SC): Installation of rotocoil, valve springs, ni-resist valve guide, exhaust valve with chrome flash on stem, and rocker shaft with thrust buttons. Continental Motors, Inc - [STC SE34WE](https://openairdocs.org/stc/SE34WE): Installation of Electro-Coatings, Inc., piston rings on Continental pistons. Continental Motors, Inc - [STC SE4247SW](https://openairdocs.org/stc/SE4247SW): Regrind crankshaft to .020 undersize on crankpin and main journals. Continental Motors, Inc. Lists C85 Series - [STC SE8113SW](https://openairdocs.org/stc/SE8113SW): Installation of any or all parts identified by Airmotive drawing/parts application list AEC9109-2. Continental Motors, Inc. Lists C85 Series - [STC SE7562SW](https://openairdocs.org/stc/SE7562SW): Install adapter to permit use of a spin-on oil filter. Stratus Tool Technologies LLC - [STC SE3330NM](https://openairdocs.org/stc/SE3330NM): Continental valve cover gasket. Real Gaskets Tennessee - [STC SE01309AT](https://openairdocs.org/stc/SE01309AT): Modify engines. Lowe Aviation Aircraft Maintenance - [STC SE09002SC](https://openairdocs.org/stc/SE09002SC): Regrind Teledyne Continental crankshafts, to .020-inch undersize on crankpin and main journals. Aircraft Specialties Services Inc. Lists C85 Series - [STC SE01943CH](https://openairdocs.org/stc/SE01943CH): Add the following approved fuels: unleaded automotive gasoline 87 minimum antiknock index, per ASTM Specification D-439 or D-4814 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227. Experimental Aircraft Association Inc - [STC SE634GL](https://openairdocs.org/stc/SE634GL): Superseded by STC SE01943CH. Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index. EAA Aviation Foundation. Lists C85 Series - [STC SE154CH](https://openairdocs.org/stc/SE154CH): Engine oil pump repair/rework specifications and procedures. Harmony Machine Prod Inc - [STC ST00435AT](https://openairdocs.org/stc/ST00435AT): Overhaul/repair of the Delco starter adapter drive (P/N 1971890) used with Delco starters P/N's 11096656 and 1109660. Aerotech. Lists C85 Series - [STC SE02172AT](https://openairdocs.org/stc/SE02172AT): Replace engine crankcase with model O-200 crankcase. Swords Don. Lists C85 Series - [STC SE09513SC](https://openairdocs.org/stc/SE09513SC): Installation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013. Exxon Company USA. Lists C85 Series - [STC SE02004AT](https://openairdocs.org/stc/SE02004AT): Installation of Teledyne Continental Motors (TCM) model O-200 crankshaft, connecting rods and pistons (Superior Air Parts pistons are also approved). Swords Donald H. Lists C85 Series - [STC SE00979AT](https://openairdocs.org/stc/SE00979AT): Installation of a Teledyne Continental model O-200 crankshaft, connecting rods and pistons. Aircraft Specialties Services Inc. Lists C85 Series - [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co Inc. Lists C85 Series - [STC SE00164SE](https://openairdocs.org/stc/SE00164SE): Installation of Avglas components to modify carburetor air housing assemblies. McFarlane Aviation, Inc. Lists C85 Series - [STC SE01592AT](https://openairdocs.org/stc/SE01592AT): Modify the crankcase of the listed engines. Swords Don. Lists C85 Series - [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation - [STC SE00262NY](https://openairdocs.org/stc/SE00262NY): Installation of Canadian Aero Manufacturing Pull Start Clutch, P/N 1971890-N or 1971890-M. Canadian Aero Manufacturing. Lists C85 Series - [STC SE154CE](https://openairdocs.org/stc/SE154CE): Engine oil pump repair/rework specifications and procedures. Allison James R. Lists C85 Series - [STC SE8669SW](https://openairdocs.org/stc/SE8669SW): Installation of roller rocker arm. Performance Engineering - [STC SE898NE](https://openairdocs.org/stc/SE898NE): Installation of 60 amp. alternator, Cessna P/N C611501-0204, -0203, -0202, -0201 or Ford P/N DOFF-10300-F in lieu of existing generator. Barnstormers Aviation - [STC SE5113NM](https://openairdocs.org/stc/SE5113NM): Install oil filter. Lessard Daryle. Lists C85 Series - [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co. Lists C85 Series - [STC SE2030CE](https://openairdocs.org/stc/SE2030CE): Add approved fuel: unleaded automotive gasoline, 87 minimum anitknock index and leaded automotive gasoline, 88 minimum antiknock index(RON+MON)/2. Petersen Aviation Inc - [STC SE80NE](https://openairdocs.org/stc/SE80NE): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less. Bel-Ray Company, Inc. Lists C85 Series - [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists C85 Series - [STC SE984SW](https://openairdocs.org/stc/SE984SW): Delco 55A ampere alternator. (C85 SERIES Suffix F Series). Waldrop Lee A. Lists C85 Series - [STC SE3CE](https://openairdocs.org/stc/SE3CE): R-30-A alternator. Repke Kenneth J. Lists C85 Series - [STC SE44WE](https://openairdocs.org/stc/SE44WE): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines. Kling Oil Company. Lists C85 Series ## Earlier aircraft with N56SM The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N56SM before. - [Cancelled 2018-02-15](https://openairdocs.org/deregistered/N56SM-2018-02-15): Smith James L MINI-COUPE, S/N 113, built 2012. Registration expired, pending cancellation. Owner: [Smith James L](https://openairdocs.org/faa-owner/SMITH%20JAMES%20L), [Yankton, SD](https://openairdocs.org/faa-place/SD/Yankton) ## Related - Other Piper J3C-65 aircraft: https://openairdocs.org/model/piper-j3c-65/aircraft.md - The Continental C85-12F engine: https://openairdocs.org/engine/continental-c85-12f.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.